/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2022 iText Group NV
    Authors: iText Software.

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License version 3
    as published by the Free Software Foundation with the addition of the
    following permission added to Section 15 as permitted in Section 7(a):
    FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
    ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
    OF THIRD PARTY RIGHTS
    
    This program is distributed in the hope that it will be useful, but
    WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
    or FITNESS FOR A PARTICULAR PURPOSE.
    See the GNU Affero General Public License for more details.
    You should have received a copy of the GNU Affero General Public License
    along with this program; if not, see http://www.gnu.org/licenses or write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA, 02110-1301 USA, or download the license from the following URL:
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    a covered work must retain the producer line in every PDF that is created
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    develop commercial activities involving the iText software without
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 */
using System;
using iTextSharp.text.pdf;
using iTextSharp.text.pdf.spatial.units;
namespace iTextSharp.text.pdf.spatial {

    /**
     * Geospatial Measure dictionary.
     * @since 5.1.0
     */
    public class MeasureGeospatial : Measure {

        /**
         * Gets the subtype.
         * In this case RL for a rectalinear coordinate system.
         */
        internal override PdfName GetSubType() {
            return PdfName.GEO;
        }

        /**
         * An array of numbers that shall be taken pairwise to define a series of
         * points that describes the bounds of an area for which geospatial
         * transformations are valid.
         *
         * @param bounds
         */
        virtual public void SetBounds(NumberArray bounds) {
            base.Put(PdfName.BOUNDS, bounds);
        }

        /**
         * A projected or geographic coordinate system dictionary.
         *
         * @param cs
         */
        virtual public void SetCoordinateSystem(CoordinateSystem cs) {
            base.Put(PdfName.GCS, cs);
        }

        /**
         * Optional coordinate system that allows a document to be authored
         * to display values in a coordinate system other than that associated
         * with the source data. For example, a map may be created in a state
         * plane coordinate system based on a 1927 datum, but it is possible
         * to display its latitude and longitude values in the WGS84 datum
         * corresponding to values reported by a GPS device.
         *
         * @param cs
         */
        virtual public void SetDisplayCoordinateSystem(GeographicCoordinateSystem cs) {
            base.Put(PdfName.DCS, cs);
        }

        /**
         * Three names that identify in order a linear display unit, an area display
         * unit, and an angular display unit.
         *
         * @param l
         * @param s
         * @param a
         */
        virtual public void SetDisplayUnits(Linear l, Square s, Angular a) {
            PdfArray arr = new PdfArray();
            arr.Add(DecodeUnits.Decode(l));
            arr.Add(DecodeUnits.Decode(s));
            arr.Add(DecodeUnits.Decode(a));
            base.Put(PdfName.PDU, arr);
        }

        /**
         * An array of numbers that shall be taken pairwise, defining points in
         * geographic space as degrees of latitude and longitude. These values shall
         * be based on the geographic coordinate system described in the GCS
         * dictionary.
         *
         * @param pairedpoints
         */
        virtual public void SetGPTS(NumberArray pairedpoints) {
            Put(PdfName.GPTS, pairedpoints);
        }

        /**
         * An array of numbers that shall be taken pairwise to define points in a 2D
         * unit square. The unit square is mapped to the rectangular bounds of the
         * {@link Viewport}, image XObject, or forms XObject that contains the
         * measure dictionary. This array shall contain the same number of number
         * pairs as the GPTS array; each number pair is the unit square object
         * position corresponding to the geospatial position in the GPTS array.
         *
         * @param pairedpoints
         */
        virtual public void SetLPTS(NumberArray pairedpoints) {
            Put(PdfName.LPTS, pairedpoints);
        }
    }
}
